34 



border parallel with the inner, but slightly dilated anteriorly ; 

 columella twisted in front. 



Dimensions. — Length 33 mm. ; breadth 20 mm. 



Form, and Loc. — Eocene : Victoria. 



70423. One specimen ; from Meribee Plains. Purchased. 



G. 5493. Two specimens ; from Muddy Creek. Purchased. 



Conus (Litliocoiius) ptychodermis, Tate. 



1890. Conus ptychodermis, Tate, Trans. Roy. Soc. South Aust. vol. xiii. 

 pt. 2, p. 196, pi. vli. fig. 3. 



This species may be readily distinguished from all other Australian 

 Tertiary Conus, by the peculiar, rugged aspect of the body-whorl 

 caused by the inter-crossing of growth folds and the irregular 

 character of the distant spiral lineations and ridges. The spire 

 is much depressed, with canaliculated sutures; the periphery of 

 the body- whorl is sharply keeled ; the anterior portion of the 

 columella is twisted and prominently lineated. The protoconch 

 is not well preserved in the Museum specimen, but it evidently 

 had the general features of that of C. pullulescens, though more 



Dimensions. — Length 20 mm. ; breadth 9 mm. ; length of 

 aperture 17mm. 



Form, and Loc. — Eocene : Muddy Creek, Victoria. 



G. 5489. One specimen. Purchased. 



Subgenus CHELYCONUS, Morch. 



[Cat. Yoldi, Fasc. i. 1852, p. 69.] 



Spire elevated, last whorl convex near suture, rounded at the 

 shoulder, posterior sinus not very deep. 



Type. — Conus testudinarius, Gmelin {ex Martini). 



Conus (Chelyconus) ralphi, Tenison- Woods. 



1879. Comis ralphii, Tenison- Woods, Proc. Linn. Soc. N.S.W. vol. iii. 



p. 228, pi. xxi. fig. 14. 

 1890. Conus ralphii, Tate, Trans. Eoy. Soc. South Aust. vol. xiii. pt. 2, 



p. 198, pi. vli. fig. 6. 



